Storage battery



FIG. 1 is a front elevational view of a storage battery showing the present design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is a cross-sectional view along line VII-VII in FIG. 5.

Note that a rear elevational view is omitted since it is symmetrical to a front elevational view. 

We claim the ornamental design for a storage battery, as shown and described. 